2144054501 has 4 divisors (see below), whose sum is σ = 2270175372. Its totient is φ = 2017933632.

The previous prime is 2144054459. The next prime is 2144054509. The reversal of 2144054501 is 1054504412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1863994276 + 280060225 = 43174^2 + 16735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2144054501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144054509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63060410 + ... + 63060443.

It is an arithmetic number, because the mean of its divisors is an integer number (567543843).

Almost surely, 2^2144054501 is an apocalyptic number.

It is an amenable number.

2144054501 is a deficient number, since it is larger than the sum of its proper divisors (126120871).

2144054501 is a wasteful number, since it uses less digits than its factorization.

2144054501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126120870.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2144054501 is about 46303.9361285841. The cubic root of 2144054501 is about 1289.4720714992.

Adding to 2144054501 its reverse (1054504412), we get a palindrome (3198558913).

The spelling of 2144054501 in words is "two billion, one hundred forty-four million, fifty-four thousand, five hundred one".